Determine whether or not the graph is a graph of a function of x.
A. Function
B. Not a function
Answer: A
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The following table shows the area A, in square miles, and the number S of species on islands in a certain island chain. A 44,171 29,140 4,245 2,504 45 S 73 69 42 42 11? Use power regression to estimate the number of species on an island in the chain that is 3329 square miles in area. Round your answer to the nearest whole number. ?
A. 40 B. 41 C. 37 D. None of the above
Evaluate the expression.(3.8) 3
A. 548.72 B. 5.4872 C. 54.872 D. 11.4
Solve the problem.At one point the exchange equation for converting American dollars into Japanese yen was Y = 129(d - 4) where d is the number of American dollars, Y is the number of yen, and $4 is a one-time bank fee charged for currency conversions. Use this equation to solve the following problem.Ariel is traveling to Japan for 3 weeks and has been advised to have between 19,000 and 30,000 yen for spending money for each week he is there. Write an inequality that represents the number of American dollars he will need to bring to the bank to exchange money for this 3-week period.
A. $441.89 ? d ? $697.71 B. $445.86 ? d ? $701.67 C. $441.95 ? d ? $697.77 D. $453.86 ? d ? $709.67
Graph the rational function and find the intercepts.h(x) = 
A. No x-intercept. y-intercept: 0.
B. No x-intercept. y-intercept: 1.
C. x-intercept: ±4 and 1. y-intercept: 1.
D. No x-intercept. No y-intercept.